def Decrypt_all_blocks(ciphertext, key, IV):
ciphertext_list = Core.convert_to_block(ciphertext)
Bit_List = Core.convert_to_ASCII(ciphertext_list)
plain = []
temp = IV[:]
for block in Bit_List:
AfterDecrypt = decrypt_block(block, key)
plain_block = Core.XOR_previous_block(AfterDecrypt, temp)
plain.append(plain_block)
temp = block
DecryptedText = Core.convert_all_blocks_to_chars(plain)
return DecryptedText
def Encrypt_all_blocks(plaintext, key):
plaintext_list = Core.convert_to_block(plaintext)
Bit_List = Core.convert_to_ASCII(plaintext_list)
IV = Core.keyGenerator()
temp = IV[:]
cipher = []
for block in Bit_List:
AfterXOR = Core.XOR_previous_block(block, temp)
cipher_block = encrypt_block(AfterXOR, key)
cipher.append(cipher_block)
temp = cipher_block
EncryptedText = Core.convert_all_blocks_to_chars(cipher)
return IV, EncryptedText
